<!DOCTYPE html>
<html>
<head>
    <title>出错</title>
</head>
<body>
    <img src="/img/500.jpg" style="display: block; margin: 0 auto;" title="五零零error" alt="五零零error">
    <h1 style="color: gray; text-align: center;">操作出错</h1>
</body>
</html>